CN217999998U

CN217999998U - Hydraulic device with overflow valve for die filling machine for magnesia carbon bricks

Info

Publication number: CN217999998U
Application number: CN202221554516.7U
Authority: CN
Inventors: 梁春莲; 任建明; 李高平; 李院高; 李龙
Original assignee: Shanxi Luweibao Taigang Refractories Ltd
Current assignee: Shanxi Luweibao Taigang Refractories Ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-09
Anticipated expiration: 2032-06-21

Abstract

The utility model provides a magnesia carbon brick is with die filling machine hydraulic means that has an overflow valve, including the hydraulic means body, the hydraulic means body includes cylinder body, steady voltage pipeline and protection machanism, the inside of cylinder body is provided with the piston rod, the piston is installed to the end of piston rod, the piston divide into first cavity and second cavity with the inside of cylinder body, the hydraulic fluid port has all been seted up on the surface of first cavity and second cavity, the top of hydraulic fluid port links to each other with the joint hose, and the influence to the joint pipeline of the vibrations that produce when using the joint hose to replace rigid joint pipe can reduce the production magnesia carbon brick avoids leading to the hydraulic fluid port position and the direct cracked condition that produces of joint pipeline because high frequency vibrations, has improved the machining efficiency of magnesia carbon brick, and the steady voltage pipeline of front end and the condition that the too big pipeline that leads to of pressure to bursting when the first cavity carries out the return stroke motion are used to the overflow valve block, have improved the security when the magnesia carbon brick is produced.

Description

Hydraulic device with overflow valve for die filling machine for magnesia carbon bricks

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically a magnesia carbon brick is with die filling machine hydraulic means who has an overflow valve.

Background

In the magnesia carbon brick production process, need use the die filling machine to realize the die filling with the help of hydraulic means and handle, in the prior art, when main pneumatic cylinder was too high at return stroke in-process internal pressure among the hydraulic means of die filling machine, can cause hydraulic pipe joint to appear the phenomenon of leaking the material, lead to whole hydraulic system to break down, unable normal operating, can only adopt the mode of changing the joint to maintain, maintenance cost has been increased, on the other hand, current hydraulic means is when using the die filling machine to produce magnesia carbon brick, can produce stronger vibrations, because the connecting pipe part of pneumatic cylinder can receive the influence of cylinder body vibrations, lead to producing the vibrations of high frequency, consequently make connecting pipe and hydraulic fluid port joint position fracture easily, the bulk strength is lower, and lack effectual safeguard measure, consequently, can lead to other equipment damage after inside hydraulic oil is let out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnesia carbon brick is with die filling machine hydraulic means who has an overflow valve to solve the problem that proposes in the above-mentioned background art, the utility model discloses protect hydraulic fluid port joint portion, improved extra protective structure, connect simply, it is more convenient that overflow valve block changes.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a magnesia carbon brick is with die filling machine hydraulic means that has overflow valve, includes the hydraulic means body, the hydraulic means body includes cylinder body, steady voltage pipeline and protection mechanism, the inside of cylinder body is provided with the piston rod, the piston is installed to the end of piston rod, the piston divide into first cavity and second cavity with the inside of cylinder body, the hydraulic fluid port has all been seted up on the surface of first cavity and second cavity, the top of hydraulic fluid port links to each other with the joint hose, and the protection mechanism is installed in the hydraulic fluid port and the outside of joint hose junction, the side of cylinder body is provided with steady voltage pipeline, and the both ends of steady voltage pipeline are linked together with the inside of first cavity, second cavity respectively, the surface mounting of steady voltage pipeline has overflow valve block.

Furthermore, the input end of the pressure stabilizing pipeline penetrates from one end of the cylinder body and then is communicated with the inside of the first cavity, the pressure stabilizing pipeline is divided into a two-section structure, a check valve is arranged on the surface of the rear section of the pressure stabilizing pipeline, and the tail end of the front section of the pressure stabilizing pipeline is fixedly connected with the overflow valve block.

Furthermore, the pressure stabilizing pipeline is aligned with a connecting port of the first cavity and the piston rod, and the overflow valve block is upwards supported by the pressure stabilizing pipeline after being bent upwards.

Furthermore, a connecting flange is installed at the front end of the overflow valve block, a low-pressure pipe is arranged at the rear end of the overflow valve block, a buffer oil tank is arranged at the bottom end of the low-pressure pipe, and a connecting sleeve is arranged at the top of the buffer oil tank.

Furthermore, the bottom of low-pressure pipe is aligned with the inside of buffer oil tank after penetrating from the top of connecting sleeve, and the end of low-pressure pipe is provided with the sealing plug, the check valve flows to the second cavity with inside hydraulic oil from one side of first cavity.

Further, protection mechanism includes protective sleeve and top fixed block, and the bottom of top fixed block is provided with first external screw thread, the end of joint hose is provided with the second external screw thread, the top outside of hydraulic fluid port is provided with the third external screw thread, the bottom welding of protective sleeve has the connection lantern ring.

Further, the inside top of protective sleeve is provided with first internal thread, the inboard of connecting the lantern ring is provided with the third internal thread, the inboard at hydraulic fluid port top is provided with the second internal thread.

Further, the top fixed block matches through first external screw thread, first internal thread and protective sleeve's top fixed connection, the joint hose passes through the top fixed connection of second external screw thread, second internal thread and hydraulic fluid port, protective sleeve matches through the third internal thread and the third external screw thread that connect the lantern ring inboard and is connected with the fixed surface of hydraulic fluid port.

The utility model has the advantages that: the utility model discloses a magnesia carbon brick is with die filling machine hydraulic means that has overflow valve, including the hydraulic means body, the hydraulic means body includes cylinder body, piston rod, joint hose, steady voltage pipeline, overflow valve piece, protection mechanism, top fixed block, first external screw thread, second external screw thread, protective sleeve, first internal thread, the connecting sleeve ring, third internal thread, hydraulic fluid port, second internal thread, third external screw thread, flange, low-pressure pipe, buffer tank, connecting sleeve, check valve, piston, first cavity, second cavity.

1. According to the hydraulic device with the overflow valve for the die filling machine of the magnesia carbon brick, the conventional rigid joint pipe is replaced by the joint hose, so that the influence of vibration generated when the magnesia carbon brick is generated on the joint pipeline can be reduced, the situation that the oil port position and the joint pipeline are directly fractured due to high-frequency vibration is avoided, the stability is improved, and the processing efficiency of the magnesia carbon brick is improved.

2. This magnesia carbon brick is with die filling machine hydraulic means who has an overflow valve can avoid the too big condition that leads to the pipeline to burst of pressure when first cavity carries out return stroke motion through the steady voltage pipeline of front end and the use of overflow valve block, provides certain pressure release effect, the security when having improved magnesia carbon brick production.

3. This magnesia carbon brick is with die filling machine hydraulic means who has an overflow valve is through increasing buffer tank and check valve in overflow valve block rear end, can be in the low pressure state with the one end oil pressure of overflow valve block, so this end connect directly peg graft can, simplified the connection procedure, for follow-up periodic replacement maintenance provide convenience, reduced the processing cost of magnesia carbon brick.

Drawings

FIG. 1 is a schematic structural view showing the appearance of a hydraulic device of a mold filling machine with an overflow valve for magnesia carbon bricks according to the present invention;

FIG. 2 is a schematic view of a protection mechanism part of a molding machine hydraulic device with an overflow valve for magnesia carbon bricks according to the present invention;

FIG. 3 is a schematic structural view of a pressure-stabilizing pipeline part of a molding machine hydraulic device with an overflow valve for magnesia carbon bricks of the present invention;

FIG. 4 is a sectional view of a cylinder body part of a molding machine hydraulic device with an overflow valve for magnesia carbon bricks;

in the figure: 1. a cylinder body; 2. a piston rod; 3. a joint hose; 4. a pressure stabilizing pipeline; 5. an overflow valve block; 6. a protection mechanism; 7. a top fixing block; 8. a first external thread; 9. a second external thread; 10. a protective sleeve; 11. a first internal thread; 12. a connecting lantern ring; 13. a third internal thread; 14. an oil port; 15. a second internal thread; 16. a third external thread; 17. a connecting flange; 18. a low pressure pipe; 19. a buffer oil tank; 20. a connecting sleeve; 21. a one-way valve; 22. a piston; 23. a first chamber; 24. a second chamber.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a hydraulic device of a die filling machine with an overflow valve for magnesia carbon bricks comprises a hydraulic device body, wherein the hydraulic device body comprises a cylinder body 1, a pressure stabilizing pipeline 4 and a protection mechanism 6, a piston rod 2 is arranged in the cylinder body 1, a piston 22 is arranged at the tail end of the piston rod 2, the piston 22 divides the interior of the cylinder 1 into a first chamber 23 and a second chamber 24, the surfaces of the first chamber 23 and the second chamber 24 are both provided with an oil port 14, the top of the oil port 14 is connected with the joint hose 3, and the outer side of the joint of the oil port 14 and the joint hose 3 is provided with a protection mechanism 6, the side edge of the cylinder body 1 is provided with a pressure stabilizing pipeline 4, and both ends of the pressure stabilizing pipeline 4 are respectively communicated with the interiors of the first cavity 23 and the second cavity 24, an overflow valve block 5 is arranged on the surface of the pressure stabilizing pipeline 4, the hydraulic device of the molding machine with the overflow valve for the magnesia carbon brick adopts the joint hose 3 as a connecting pipeline to connect an oil port 14 at the top of the cylinder body 1 with external oil pump equipment, the vibration generated when the cylinder body 1 operates is counteracted through the hose with certain deformation capacity, the situation that the oil port 14 position and the joint pipeline are directly fractured due to high-frequency vibration is avoided, the stability is improved, in the two cavities in the cylinder body 1, the two cavities are connected through a pressure stabilizing pipeline 4 and an overflow valve block 5, and thus only the piston 22, when the pressure inside the first chamber 23 is excessive and, the overhigh oil inside the first cavity 23 is pressed to a part of pressure at the other end of the relief valve block 5, so that the condition that the pressure exceeds a threshold value to cause the bursting of a cavity or other pipeline structures is avoided, and the safety of the magnesia carbon brick in the production process is improved.

In this embodiment, the input end of the pressure stabilizing pipeline 4 penetrates from one end of the cylinder body 1 and then is communicated with the inside of the first chamber 23, the pressure stabilizing pipeline 4 is divided into two-segment structure, the surface of the rear segment of the pressure stabilizing pipeline 4 is provided with the check valve 21, the tail end of the front segment of the pressure stabilizing pipeline 4 is fixedly connected with the overflow valve block 5, the connection port of the pressure stabilizing pipeline 4 and the first chamber 23 is aligned with the piston rod 2, the overflow valve block 5 is upwards supported by the pressure stabilizing pipeline 4 after being bent upwards, when the hydraulic device performs return motion, hydraulic oil inside the cylinder body 1 flows into the second chamber 24 from the first chamber 23, the oil pressure inside the first chamber 23 is continuously increased due to the pushing of the piston 22, the joint hose 3 at the top of the first chamber 23 is communicated with the first chamber 23, so that the continuously increased high pressure can generate the risk of bursting the joint hose 3, and the overflow valve block 5 acts, when the inside the first chamber 23 reaches a preset threshold value, the overflow valve block 23 and the pressure stabilizing pipeline 4 and the overflow valve block 24 can flow into the second chamber 24, and the failure rate of the overflow valve is reduced.

In this embodiment, a connecting flange 17 is installed at the front end of the relief valve block 5, a low-pressure pipe 18 is installed at the rear end of the relief valve block 5, a buffer oil tank 19 is installed at the bottom end of the low-pressure pipe 18, a connecting sleeve 20 is installed at the top of the buffer oil tank 19, the bottom end of the low-pressure pipe 18 is aligned with the inside of the buffer oil tank 19 after penetrating through the top of the connecting sleeve 20, a sealing plug is installed at the tail end of the low-pressure pipe 18, the one-way valve 21 flows internal hydraulic oil from one side of the first chamber 23 to the second chamber 24, and the one-way valve 21 is installed at the rear end of the pressure stabilizing pipeline 4, so that the pressure stabilizing pipeline 4 only works during return stroke movement, the hydraulic oil inside the second chamber 24 cannot enter the first chamber 23 through the pressure stabilizing pipeline 4, and therefore, the pipeline between the relief valve block 5 and the one-way valve 21 is the low-pressure pipe 18, the pressure bottom of the part of the low-pressure pipe, the connecting structure of the relief valve block 5 has low sealing requirement on the sealing of the connecting structure of the relief valve block 5, and the sealing structure of the relief valve block 5 can be directly inserted into the connecting sleeve 20 at the top of the high-pressure stabilizing pipeline, and the high-pressure-reducing the requirement of the high-pressure-reducing carbon-reducing device.

This embodiment, protection mechanism 6 includes protective sleeve 10 and top fixed block 7, and the bottom of top fixed block 7 is provided with first external screw thread 8, the end of joint hose 3 is provided with second external screw thread 9, the top outside of hydraulic fluid port 14 is provided with third external screw thread 16, protective sleeve 10's bottom welding has connection lantern ring 12 protective sleeve 10 inboard top is provided with first internal thread 11, the inboard of connecting lantern ring 12 is provided with third internal thread 13, the inboard at hydraulic fluid port 14 top is provided with second internal thread 15, top fixed block 7 cooperatees through first external screw thread 8, first internal thread 11 and protective sleeve 10's top fixed connection, joint hose 3 closes the shelters from through second external screw thread 9, second internal thread 15 and hydraulic fluid port 14's top fixed connection, protective sleeve 10 cooperatees through connection lantern ring 12 inboard third internal thread 13 and third external screw thread 16 and is connected with protective sleeve 14's fixed surface, through installing three department screw structures after, can utilize protective sleeve 10 to close the joint hose 3 and shelter from with the 14 junction, and then in case this junction breaks in the follow-up and lead to the fracture, can still provide the influence of the outer influence of the production of the outer stable magnesium brick of providing the buffering in order to avoid the production short-term of other production of the hydraulic oil port to provide the stable production of the stable magnesium brick.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a magnesia carbon brick is with die filling machine hydraulic means who has overflow valve, includes the hydraulic means body, its characterized in that: the hydraulic device body comprises a cylinder body (1), a pressure stabilizing pipeline (4) and a protection mechanism (6), a piston rod (2) is arranged inside the cylinder body (1), a piston (22) is installed at the tail end of the piston rod (2), the piston (22) divides the inside of the cylinder body (1) into a first cavity (23) and a second cavity (24), an oil port (14) is formed in the surface of the first cavity (23) and the surface of the second cavity (24), the top of the oil port (14) is connected with a joint hose (3), the protection mechanism (6) is installed on the outer side of the joint of the oil port (14) and the joint hose (3), the pressure stabilizing pipeline (4) is arranged on the side edge of the cylinder body (1), two ends of the pressure stabilizing pipeline (4) are communicated with the inside of the first cavity (23) and the inside of the second cavity (24) respectively, and an overflow valve block (5) is installed on the surface of the pressure stabilizing pipeline (4).

2. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 1, characterized in that: the pressure stabilizing device is characterized in that the input end of the pressure stabilizing pipeline (4) penetrates into the cylinder body (1) from one end and then is communicated with the inside of the first cavity (23), the pressure stabilizing pipeline (4) is of a two-section structure, a check valve (21) is installed on the surface of the rear section of the pressure stabilizing pipeline (4), and the tail end of the front section of the pressure stabilizing pipeline (4) is fixedly connected with the overflow valve block (5).

3. The hydraulic device with the overflow valve for the die filling machine for magnesia carbon bricks according to claim 2, characterized in that: the pressure stabilizing pipeline (4) is aligned with a connecting hole of the first cavity (23) and the piston rod (2), and the overflow valve block (5) is upwards supported by the pressure stabilizing pipeline (4) after being bent upwards.

4. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 2, characterized in that: the hydraulic control system is characterized in that a connecting flange (17) is installed at the front end of the overflow valve block (5), a low-pressure pipe (18) is arranged at the rear end of the overflow valve block (5), a buffer oil tank (19) is arranged at the bottom end of the low-pressure pipe (18), and a connecting sleeve (20) is arranged at the top of the buffer oil tank (19).

5. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 4, characterized in that: the bottom end of the low-pressure pipe (18) penetrates from the top of the connecting sleeve (20) and then is aligned with the interior of the buffer oil tank (19), a sealing plug is arranged at the tail end of the low-pressure pipe (18), and the check valve (21) enables internal hydraulic oil to flow to the second chamber (24) from one side of the first chamber (23).

6. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 1, characterized in that: protection mechanism (6) include protective sleeve (10) and top fixed block (7), the bottom of top fixed block (7) is provided with first external screw thread (8), the end of joint hose (3) is provided with second external screw thread (9), the top outside of hydraulic fluid port (14) is provided with third external screw thread (16), the bottom welding of protective sleeve (10) has the connection lantern ring (12).

7. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 6, characterized in that: the top of the inner side of the protective sleeve (10) is provided with a first internal thread (11), the inner side of the connecting sleeve ring (12) is provided with a third internal thread (13), and the inner side of the top of the oil port (14) is provided with a second internal thread (15).

8. The hydraulic device with the overflow valve for the die filling machine for the magnesia carbon brick according to claim 7, characterized in that: top fixed block (7) cooperate through first external screw thread (8), first internal thread (11) with the top fixed connection of protective case (10), connect hose (3) to cooperate through second external screw thread (9), second internal thread (15) with the top fixed connection of hydraulic fluid port (14), protective case (10) cooperate with the fixed surface who is connected with hydraulic fluid port (14) through third internal thread (13) and third external screw thread (16) of connecting lantern ring (12) inboard.